How are electric magnets made to work?

Posted Date: 16-Feb-2012	Category: Physics Projects
Author: Madhur Malik	Member Level: Silver	Points: 10

This experiment is not so common but very useful for physics. In this we'll see how electric magnet is made and how it works with simple experiment. It is nice for students and teachers will also be happy.Please follow each and every line carefully.

To make electric magnets made to work,

First of all you need to find an iron bolt which is about two inches long. Be sure that, the bolt is of iron because your electric magnet will not work if it is steel (Magnet always attract Iron).
Now, Measure off about 6 Yards of cotton covered coppered wire 24 gauge.
Then Wrap the iron bolt tightly with paper and tape the paper in place. Start wrapping the wire on the bolt by beginning at the end of the nut. Leave about one foot of wire at the end so that there will be some for connection.
When you have reached the other end of the bolt, turn it around and keep on wrapping. This will make the second layer of the wire on the bolt.
Now you may have enough wire to make a third layer. Leave about a foot of wire at this end too so that it can be used for connections. Twist the two wires firmly together close to the bolt. Now you are ready to connect up your magnet.
Push the cotton back from the ends of the wire so that the copper shows. Twist one wire around one terminal of a dry cell. Then Twist the other wire around the other terminal.
Now see whether you can pick up paper clips with your electric magnet. If you follow correctly, you should be able to pick up several paper clips.
Now loosen one of the wires from the dry cell and see what happens to the paper clips. The paper clips should fall. This is the reason why electric magnets are so useful— they are only magnets when there is electricity going through them. They can be made to pick up and drop loads.

This experiment can be very useful for physics students, as it explain the properties of Magnet and of the electricity.

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How are electric magnets made to work?

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